Add NVP Security group support

Implements blueprint security-groups-nvp

Change-Id: Idfa7a756c7a2845e9aa9e7de4c7bceeec94b036f
Enable OVS and NETNS utilities to perform logging

Fixes bug 1118517

Change-Id: I623c39b7d05accc49f88922d5d2c7ecfb8562a52
Merge "Add NVP Security group support"
Imported Translations from Transifex

Change-Id: I2b516e56252c7973bbdf0583f2756dceccb5be2e
Merge "Enable OVS and NETNS utilities to perform logging"